PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/09-03:27:40
G08     288.7          22.2               10.8 +/-    2.04      22.6 +/-    2.04  0.100 / 0.120
G10     26.3           62.3                8.4 +/-    1.60       9.3 +/-    1.60  0.100 / 0.110
G14     236.2          52.3               11.8 +/-    2.50      14.5 +/-    2.50  0.030 / 0.030
G18     317.7          16.7                7.8 +/-    3.11      18.7 +/-    3.11  0.030 / 0.030
G20     74.7           48.5                9.3 +/-    1.52      11.9 +/-    1.52  0.060 / 0.110
G21     150.1          33.9               10.7 +/-    1.63      17.3 +/-    1.63  0.060 / 0.120
G24     50.4           22.2                6.4 +/-    4.01      13.4 +/-    4.01  0.100 / 0.090
G27     247.9          28.2               10.0 +/-    2.14      18.2 +/-    2.14  0.110 / 0.100
G31     181.4          13.5                8.4 +/-    3.32      21.6 +/-    3.32  0.260 / 0.310
G32     260.2          71.5               10.0 +/-    0.76      10.5 +/-    0.76  0.260 / 0.370